Year	Years
1950	36.2
1951	35.91
1952	35.47
1953	35.31
1954	35.431
1955	35.83
1956	36.501
1957	37.431
1958	38.593
1959	39.95
1960	41.449
1961	43.034
1962	44.639
1963	46.205
1964	47.686
1965	49.051
1966	50.291
1967	51.437
1968	52.512
1969	53.524
1970	54.482
1971	55.397
1972	56.281
1973	57.142
1974	57.984
1975	58.808
1976	59.613
1977	60.389
1978	61.129
1979	61.828
1980	62.482
1981	63.083
1982	63.633
1983	64.135
1984	64.594
1985	65.02
1986	65.425
1987	65.82
1988	66.208
1989	66.592
1990	66.966
1991	67.318
1992	67.638
1993	67.917
1994	68.153
1995	68.347
1996	68.502
1997	68.628
1998	68.734
1999	68.826
2000	68.914
2001	69.008
2002	69.107
2003	69.209
2004	69.309
2005	69.391
2006	69.434
2007	69.425
2008	69.365
2009	69.261
2010	69.136
2011	69.017
2012	68.933
2013	68.903
2014	68.935
2015	69.026
2016	69.165
2017	69.327
2018	69.492
2019	69.653
2020	69.802
2021	69.94
2022	70.073
2023	70.205
2024	70.337
2025	70.468
2026	70.601
2027	70.735
2028	70.869
2029	71.006
2030	71.143
2031	71.28
2032	71.418
2033	71.556
2034	71.694
2035	71.832
2036	71.971
2037	72.112
2038	72.254
2039	72.398
2040	72.543
2041	72.689
2042	72.833
2043	72.977
2044	73.121
2045	73.263
2046	73.406
2047	73.549
2048	73.694
2049	73.841
2050	73.99
2051	74.14
2052	74.293
2053	74.447
2054	74.602
2055	74.757
2056	74.913
2057	75.068
2058	75.223
2059	75.378
2060	75.534
2061	75.692
2062	75.854
2063	76.019
2064	76.187
2065	76.357
2066	76.528
2067	76.699
2068	76.868
2069	77.035
2070	77.201
2071	77.365
2072	77.53
2073	77.696
2074	77.864
2075	78.033
2076	78.203
2077	78.373
2078	78.543
2079	78.713
2080	78.883
2081	79.054
2082	79.226
2083	79.398
2084	79.571
2085	79.745
2086	79.919
2087	80.092
2088	80.265
2089	80.437
2090	80.607
2091	80.777
2092	80.946
2093	81.115
2094	81.283
2095	81.451
2096	81.619
2097	81.787
2098	81.954
2099	82.121